Find the following values without a calculator.
Give your answers in this manner. (Eg 1, 2, 3, 4)
- 11 ones = _____
- 7 tens = _____
- 3 tens 3 ones = _____
- 7 tens 16 ones = _____
(a)
11 ones
= 11 x 1
= 11
(b)
7 tens
= 7 x 10
= 70
(c)
3 tens 3 ones
= 3 x 10 + 3 x 1
= 30 + 3
= 33
(d)
7 tens 16 ones
= 7 x 10 + 16 x 1
= 70 + 16
= 86
Answer(s): 11, 70, 33, 86